NEW: Thonny now runs in single instance mode. Previously, when you opened a py file with Thonny, a new Thonny instance (window) was created even if an instance existed already. This became nuisance if ...

Reference implementation for Continual Harness (Karten et al., 2026), a reset-free framework that automates agentic-harness refinement through online in-context learning, evaluated on Pokémon Red and ...